Home / 232,513.28-320,858.88-131,909.12

Finding the Fourth Proportional to 232,513.28, 320,858.88 and 131,909.12

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Solution

The fourth proportional to 232,513.28, 320,858.88 and 131,909.12 is: 182,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,513.28 : 320,858.88 = 131,909.12 : x
  2. Step 2: Convert to fraction form
    232,513.28/320,858.88 = 131,909.12/x
  3. Step 3: Cross multiply
    232,513.28x = 320,858.88 × 131,909.12
  4. Step 4: Simplify right side
    232,513.28x = 42,324,212,504.99
  5. Step 5: Solve for x
    x = 42,324,212,504.99/232,513.28
  6. Step 6: Final answer
    x = 182,029.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.